128817360

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 240

約数和(自身を含む): 503717760

約数和(自身を除く): 374900400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 419, 420, 427, 488, 504, 549, 560, 610, 630, 720, 732, 838, 840, 854, 915, 976, 1008, 1098, 1220, 1257, 1260, 1281, 1464, 1676, 1680, 1708, 1830, 2095, 2135, 2196, 2440, 2514, 2520, 2562, 2745, 2928, 2933, 3352, 3416, 3660, 3771, 3843, 4190, 4270, 4392, 4880, 5028, 5040, 5124, 5490, 5866, 6285, 6405, 6704, 6832, 7320, 7542, 7686, 8380, 8540, 8784, 8799, 10056, 10248, 10980, 11732, 12570, 12810, 14640, 14665, 15084, 15372, 16760, 17080, 17598, 18855, 19215, 20112, 20496, 21960, 23464, 25140, 25559, 25620, 26397, 29330, 30168, 30744, 33520, 34160, 35196, 37710, 38430, 43920, 43995, 46928, 50280, 51118, 51240, 52794, 58660, 60336, 61488, 70392, 75420, 76677, 76860, 87990, 100560, 102236, 102480, 105588, 117320, 127795, 131985, 140784, 150840, 153354, 153720, 175980, 178913, 204472, 211176, 230031, 234640, 255590, 263970, 301680, 306708, 307440, 351960, 357826, 383385, 408944, 422352, 460062, 511180, 527940, 536739, 613416, 703920, 715652, 766770, 894565, 920124, 1022360, 1055880, 1073478, 1150155, 1226832, 1431304, 1533540, 1610217, 1789130, 1840248, 2044720, 2111760, 2146956, 2300310, 2683695, 2862608, 3067080, 3220434, 3578260, 3680496, 4293912, 4600620, 5367390, 6134160, 6440868, 7156520, 8051085, 8587824, 9201240, 10734780, 12881736, 14313040, 16102170, 18402480, 21469560, 25763472, 32204340, 42939120, 64408680, 128817360]

約数ペア:

[(1, 128817360), (2, 64408680), (3, 42939120), (4, 32204340), (5, 25763472), (6, 21469560), (7, 18402480), (8, 16102170), (9, 14313040), (10, 12881736), (12, 10734780), (14, 9201240), (15, 8587824), (16, 8051085), (18, 7156520), (20, 6440868), (21, 6134160), (24, 5367390), (28, 4600620), (30, 4293912), (35, 3680496), (36, 3578260), (40, 3220434), (42, 3067080), (45, 2862608), (48, 2683695), (56, 2300310), (60, 2146956), (61, 2111760), (63, 2044720), (70, 1840248), (72, 1789130), (80, 1610217), (84, 1533540), (90, 1431304), (105, 1226832), (112, 1150155), (120, 1073478), (122, 1055880), (126, 1022360), (140, 920124), (144, 894565), (168, 766770), (180, 715652), (183, 703920), (210, 613416), (240, 536739), (244, 527940), (252, 511180), (280, 460062), (305, 422352), (315, 408944), (336, 383385), (360, 357826), (366, 351960), (419, 307440), (420, 306708), (427, 301680), (488, 263970), (504, 255590), (549, 234640), (560, 230031), (610, 211176), (630, 204472), (720, 178913), (732, 175980), (838, 153720), (840, 153354), (854, 150840), (915, 140784), (976, 131985), (1008, 127795), (1098, 117320), (1220, 105588), (1257, 102480), (1260, 102236), (1281, 100560), (1464, 87990), (1676, 76860), (1680, 76677), (1708, 75420), (1830, 70392), (2095, 61488), (2135, 60336), (2196, 58660), (2440, 52794), (2514, 51240), (2520, 51118), (2562, 50280), (2745, 46928), (2928, 43995), (2933, 43920), (3352, 38430), (3416, 37710), (3660, 35196), (3771, 34160), (3843, 33520), (4190, 30744), (4270, 30168), (4392, 29330), (4880, 26397), (5028, 25620), (5040, 25559), (5124, 25140), (5490, 23464), (5866, 21960), (6285, 20496), (6405, 20112), (6704, 19215), (6832, 18855), (7320, 17598), (7542, 17080), (7686, 16760), (8380, 15372), (8540, 15084), (8784, 14665), (8799, 14640), (10056, 12810), (10248, 12570), (10980, 11732)]